annotate tests/test-simplemerge.py @ 12388:75f044d4dbf5

minirst: Support for admonitions The old asciidoc format supported something like this, this is why there is NOTE: scattered here and there.
author Erik Zielke <ez@aragost.com>
date Wed, 22 Sep 2010 15:51:59 +0200
parents e433002acb05
children 7de7630053cb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # Copyright (C) 2004, 2005 Canonical Ltd
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2 #
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3 # This program is free software; you can redistribute it and/or modify
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4 # it under the terms of the GNU General Public License as published by
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5 # the Free Software Foundation; either version 2 of the License, or
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6 # (at your option) any later version.
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7 #
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8 # This program is distributed in the hope that it will be useful,
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9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 # GNU General Public License for more details.
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12 #
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13 # You should have received a copy of the GNU General Public License
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14 # along with this program; if not, write to the Free Software
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15 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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16
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17 import unittest
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18 from unittest import TestCase
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19 from mercurial import util, simplemerge
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20
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21 # bzr compatible interface, for the tests
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22 class Merge3(simplemerge.Merge3Text):
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23 """3-way merge of texts.
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24
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25 Given BASE, OTHER, THIS, tries to produce a combined text
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26 incorporating the changes from both BASE->OTHER and BASE->THIS.
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27 All three will typically be sequences of lines."""
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28 def __init__(self, base, a, b):
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29 basetext = '\n'.join([i.strip('\n') for i in base] + [''])
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30 atext = '\n'.join([i.strip('\n') for i in a] + [''])
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31 btext = '\n'.join([i.strip('\n') for i in b] + [''])
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32 if util.binary(basetext) or util.binary(atext) or util.binary(btext):
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33 raise util.Abort("don't know how to merge binary files")
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34 simplemerge.Merge3Text.__init__(self, basetext, atext, btext,
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35 base, a, b)
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36
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37 CantReprocessAndShowBase = simplemerge.CantReprocessAndShowBase
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38
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39 def split_lines(t):
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40 from cStringIO import StringIO
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41 return StringIO(t).readlines()
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42
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43 ############################################################
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44 # test case data from the gnu diffutils manual
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45 # common base
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46 TZU = split_lines(""" The Nameless is the origin of Heaven and Earth;
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47 The named is the mother of all things.
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48
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49 Therefore let there always be non-being,
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50 so we may see their subtlety,
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51 And let there always be being,
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52 so we may see their outcome.
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53 The two are the same,
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54 But after they are produced,
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55 they have different names.
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56 They both may be called deep and profound.
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57 Deeper and more profound,
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58 The door of all subtleties!
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59 """)
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60
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61 LAO = split_lines(""" The Way that can be told of is not the eternal Way;
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62 The name that can be named is not the eternal name.
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63 The Nameless is the origin of Heaven and Earth;
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64 The Named is the mother of all things.
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65 Therefore let there always be non-being,
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66 so we may see their subtlety,
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67 And let there always be being,
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68 so we may see their outcome.
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69 The two are the same,
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70 But after they are produced,
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71 they have different names.
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72 """)
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73
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74
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75 TAO = split_lines(""" The Way that can be told of is not the eternal Way;
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76 The name that can be named is not the eternal name.
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77 The Nameless is the origin of Heaven and Earth;
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78 The named is the mother of all things.
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79
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80 Therefore let there always be non-being,
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81 so we may see their subtlety,
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82 And let there always be being,
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83 so we may see their result.
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84 The two are the same,
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85 But after they are produced,
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86 they have different names.
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87
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88 -- The Way of Lao-Tzu, tr. Wing-tsit Chan
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89
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90 """)
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91
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92 MERGED_RESULT = split_lines("""\
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93 The Way that can be told of is not the eternal Way;
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94 The name that can be named is not the eternal name.
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95 The Nameless is the origin of Heaven and Earth;
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96 The Named is the mother of all things.
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97 Therefore let there always be non-being,
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98 so we may see their subtlety,
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99 And let there always be being,
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100 so we may see their result.
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101 The two are the same,
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102 But after they are produced,
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103 they have different names.
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104 <<<<<<< LAO
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105 =======
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106
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107 -- The Way of Lao-Tzu, tr. Wing-tsit Chan
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108
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109 >>>>>>> TAO
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110 """)
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111
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112 class TestMerge3(TestCase):
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113 def log(self, msg):
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114 pass
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115
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116 def test_no_changes(self):
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117 """No conflicts because nothing changed"""
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118 m3 = Merge3(['aaa', 'bbb'],
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119 ['aaa', 'bbb'],
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120 ['aaa', 'bbb'])
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121
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122 self.assertEquals(m3.find_unconflicted(),
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123 [(0, 2)])
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124
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125 self.assertEquals(list(m3.find_sync_regions()),
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126 [(0, 2,
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127 0, 2,
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128 0, 2),
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129 (2, 2, 2, 2, 2, 2)])
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130
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131 self.assertEquals(list(m3.merge_regions()),
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132 [('unchanged', 0, 2)])
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133
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134 self.assertEquals(list(m3.merge_groups()),
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135 [('unchanged', ['aaa', 'bbb'])])
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136
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137 def test_front_insert(self):
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138 m3 = Merge3(['zz'],
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139 ['aaa', 'bbb', 'zz'],
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140 ['zz'])
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141
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142 # todo: should use a sentinal at end as from get_matching_blocks
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143 # to match without zz
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144 self.assertEquals(list(m3.find_sync_regions()),
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145 [(0, 1, 2, 3, 0, 1),
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146 (1, 1, 3, 3, 1, 1)])
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147
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148 self.assertEquals(list(m3.merge_regions()),
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149 [('a', 0, 2),
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150 ('unchanged', 0, 1)])
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151
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152 self.assertEquals(list(m3.merge_groups()),
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153 [('a', ['aaa', 'bbb']),
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154 ('unchanged', ['zz'])])
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155
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156 def test_null_insert(self):
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157 m3 = Merge3([],
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158 ['aaa', 'bbb'],
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159 [])
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160 # todo: should use a sentinal at end as from get_matching_blocks
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161 # to match without zz
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162 self.assertEquals(list(m3.find_sync_regions()),
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163 [(0, 0, 2, 2, 0, 0)])
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164
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165 self.assertEquals(list(m3.merge_regions()),
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166 [('a', 0, 2)])
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167
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168 self.assertEquals(list(m3.merge_lines()),
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169 ['aaa', 'bbb'])
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170
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171 def test_no_conflicts(self):
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172 """No conflicts because only one side changed"""
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173 m3 = Merge3(['aaa', 'bbb'],
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174 ['aaa', '111', 'bbb'],
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175 ['aaa', 'bbb'])
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176
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177 self.assertEquals(m3.find_unconflicted(),
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178 [(0, 1), (1, 2)])
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179
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180 self.assertEquals(list(m3.find_sync_regions()),
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181 [(0, 1, 0, 1, 0, 1),
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182 (1, 2, 2, 3, 1, 2),
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183 (2, 2, 3, 3, 2, 2)])
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184
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185 self.assertEquals(list(m3.merge_regions()),
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186 [('unchanged', 0, 1),
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187 ('a', 1, 2),
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188 ('unchanged', 1, 2)])
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189
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190 def test_append_a(self):
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191 m3 = Merge3(['aaa\n', 'bbb\n'],
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192 ['aaa\n', 'bbb\n', '222\n'],
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193 ['aaa\n', 'bbb\n'])
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194
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195 self.assertEquals(''.join(m3.merge_lines()),
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196 'aaa\nbbb\n222\n')
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197
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198 def test_append_b(self):
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199 m3 = Merge3(['aaa\n', 'bbb\n'],
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200 ['aaa\n', 'bbb\n'],
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201 ['aaa\n', 'bbb\n', '222\n'])
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202
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203 self.assertEquals(''.join(m3.merge_lines()),
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204 'aaa\nbbb\n222\n')
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205
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206 def test_append_agreement(self):
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207 m3 = Merge3(['aaa\n', 'bbb\n'],
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208 ['aaa\n', 'bbb\n', '222\n'],
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209 ['aaa\n', 'bbb\n', '222\n'])
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210
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211 self.assertEquals(''.join(m3.merge_lines()),
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212 'aaa\nbbb\n222\n')
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213
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214 def test_append_clash(self):
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215 m3 = Merge3(['aaa\n', 'bbb\n'],
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216 ['aaa\n', 'bbb\n', '222\n'],
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217 ['aaa\n', 'bbb\n', '333\n'])
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218
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219 ml = m3.merge_lines(name_a='a',
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220 name_b='b',
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221 start_marker='<<',
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222 mid_marker='--',
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223 end_marker='>>')
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224 self.assertEquals(''.join(ml),
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225 'aaa\n'
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226 'bbb\n'
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227 '<< a\n'
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228 '222\n'
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229 '--\n'
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230 '333\n'
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231 '>> b\n'
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232 )
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233
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234 def test_insert_agreement(self):
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235 m3 = Merge3(['aaa\n', 'bbb\n'],
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236 ['aaa\n', '222\n', 'bbb\n'],
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237 ['aaa\n', '222\n', 'bbb\n'])
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238
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239 ml = m3.merge_lines(name_a='a',
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240 name_b='b',
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241 start_marker='<<',
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242 mid_marker='--',
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243 end_marker='>>')
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244 self.assertEquals(''.join(ml), 'aaa\n222\nbbb\n')
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245
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246
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247 def test_insert_clash(self):
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248 """Both try to insert lines in the same place."""
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249 m3 = Merge3(['aaa\n', 'bbb\n'],
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250 ['aaa\n', '111\n', 'bbb\n'],
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251 ['aaa\n', '222\n', 'bbb\n'])
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252
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253 self.assertEquals(m3.find_unconflicted(),
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254 [(0, 1), (1, 2)])
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255
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256 self.assertEquals(list(m3.find_sync_regions()),
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257 [(0, 1, 0, 1, 0, 1),
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258 (1, 2, 2, 3, 2, 3),
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259 (2, 2, 3, 3, 3, 3)])
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260
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261 self.assertEquals(list(m3.merge_regions()),
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262 [('unchanged', 0, 1),
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263 ('conflict', 1, 1, 1, 2, 1, 2),
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264 ('unchanged', 1, 2)])
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265
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266 self.assertEquals(list(m3.merge_groups()),
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267 [('unchanged', ['aaa\n']),
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268 ('conflict', [], ['111\n'], ['222\n']),
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269 ('unchanged', ['bbb\n']),
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270 ])
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271
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272 ml = m3.merge_lines(name_a='a',
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273 name_b='b',
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274 start_marker='<<',
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275 mid_marker='--',
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276 end_marker='>>')
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277 self.assertEquals(''.join(ml),
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278 '''aaa
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279 << a
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280 111
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281 --
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282 222
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283 >> b
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284 bbb
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285 ''')
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286
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287 def test_replace_clash(self):
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288 """Both try to insert lines in the same place."""
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289 m3 = Merge3(['aaa', '000', 'bbb'],
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290 ['aaa', '111', 'bbb'],
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291 ['aaa', '222', 'bbb'])
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292
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293 self.assertEquals(m3.find_unconflicted(),
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294 [(0, 1), (2, 3)])
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295
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296 self.assertEquals(list(m3.find_sync_regions()),
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297 [(0, 1, 0, 1, 0, 1),
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298 (2, 3, 2, 3, 2, 3),
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299 (3, 3, 3, 3, 3, 3)])
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300
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301 def test_replace_multi(self):
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302 """Replacement with regions of different size."""
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303 m3 = Merge3(['aaa', '000', '000', 'bbb'],
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304 ['aaa', '111', '111', '111', 'bbb'],
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305 ['aaa', '222', '222', '222', '222', 'bbb'])
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306
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307 self.assertEquals(m3.find_unconflicted(),
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308 [(0, 1), (3, 4)])
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309
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310
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311 self.assertEquals(list(m3.find_sync_regions()),
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312 [(0, 1, 0, 1, 0, 1),
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313 (3, 4, 4, 5, 5, 6),
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314 (4, 4, 5, 5, 6, 6)])
4362
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315
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316 def test_merge_poem(self):
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317 """Test case from diff3 manual"""
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318 m3 = Merge3(TZU, LAO, TAO)
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319 ml = list(m3.merge_lines('LAO', 'TAO'))
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320 self.log('merge result:')
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321 self.log(''.join(ml))
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322 self.assertEquals(ml, MERGED_RESULT)
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323
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324 def test_minimal_conflicts_common(self):
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325 """Reprocessing"""
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326 base_text = ("a\n" * 20).splitlines(True)
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327 this_text = ("a\n"*10+"b\n" * 10).splitlines(True)
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328 other_text = ("a\n"*10+"c\n"+"b\n" * 8 + "c\n").splitlines(True)
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diff changeset
329 m3 = Merge3(base_text, other_text, this_text)
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330 m_lines = m3.merge_lines('OTHER', 'THIS', reprocess=True)
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331 merged_text = "".join(list(m_lines))
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332 optimal_text = ("a\n" * 10 + "<<<<<<< OTHER\nc\n=======\n"
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333 + ">>>>>>> THIS\n"
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334 + 8* "b\n" + "<<<<<<< OTHER\nc\n=======\n"
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335 + 2* "b\n" + ">>>>>>> THIS\n")
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336 self.assertEquals(optimal_text, merged_text)
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337
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338 def test_minimal_conflicts_unique(self):
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339 def add_newline(s):
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340 """Add a newline to each entry in the string"""
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diff changeset
341 return [(x+'\n') for x in s]
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342
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343 base_text = add_newline("abcdefghijklm")
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344 this_text = add_newline("abcdefghijklmNOPQRSTUVWXYZ")
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diff changeset
345 other_text = add_newline("abcdefghijklm1OPQRSTUVWXY2")
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diff changeset
346 m3 = Merge3(base_text, other_text, this_text)
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diff changeset
347 m_lines = m3.merge_lines('OTHER', 'THIS', reprocess=True)
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diff changeset
348 merged_text = "".join(list(m_lines))
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diff changeset
349 optimal_text = ''.join(add_newline("abcdefghijklm")
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diff changeset
350 + ["<<<<<<< OTHER\n1\n=======\nN\n>>>>>>> THIS\n"]
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351 + add_newline('OPQRSTUVWXY')
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diff changeset
352 + ["<<<<<<< OTHER\n2\n=======\nZ\n>>>>>>> THIS\n"]
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diff changeset
353 )
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diff changeset
354 self.assertEquals(optimal_text, merged_text)
4362
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355
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356 def test_minimal_conflicts_nonunique(self):
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diff changeset
357 def add_newline(s):
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parents:
diff changeset
358 """Add a newline to each entry in the string"""
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
359 return [(x+'\n') for x in s]
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parents:
diff changeset
360
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diff changeset
361 base_text = add_newline("abacddefgghij")
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parents:
diff changeset
362 this_text = add_newline("abacddefgghijkalmontfprz")
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parents:
diff changeset
363 other_text = add_newline("abacddefgghijknlmontfprd")
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parents:
diff changeset
364 m3 = Merge3(base_text, other_text, this_text)
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parents:
diff changeset
365 m_lines = m3.merge_lines('OTHER', 'THIS', reprocess=True)
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parents:
diff changeset
366 merged_text = "".join(list(m_lines))
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parents:
diff changeset
367 optimal_text = ''.join(add_newline("abacddefgghijk")
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parents:
diff changeset
368 + ["<<<<<<< OTHER\nn\n=======\na\n>>>>>>> THIS\n"]
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parents:
diff changeset
369 + add_newline('lmontfpr')
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parents:
diff changeset
370 + ["<<<<<<< OTHER\nd\n=======\nz\n>>>>>>> THIS\n"]
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parents:
diff changeset
371 )
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diff changeset
372 self.assertEquals(optimal_text, merged_text)
4362
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parents:
diff changeset
373
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diff changeset
374 def test_reprocess_and_base(self):
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parents:
diff changeset
375 """Reprocessing and showing base breaks correctly"""
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parents:
diff changeset
376 base_text = ("a\n" * 20).splitlines(True)
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parents:
diff changeset
377 this_text = ("a\n"*10+"b\n" * 10).splitlines(True)
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parents:
diff changeset
378 other_text = ("a\n"*10+"c\n"+"b\n" * 8 + "c\n").splitlines(True)
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parents:
diff changeset
379 m3 = Merge3(base_text, other_text, this_text)
4516
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Thomas Arendsen Hein <thomas@intevation.de>
parents: 4363
diff changeset
380 m_lines = m3.merge_lines('OTHER', 'THIS', reprocess=True,
4362
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parents:
diff changeset
381 base_marker='|||||||')
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parents:
diff changeset
382 self.assertRaises(CantReprocessAndShowBase, list, m_lines)
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parents:
diff changeset
383
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diff changeset
384 def test_binary(self):
4363
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diff changeset
385 self.assertRaises(util.Abort, Merge3, ['\x00'], ['a'], ['b'])
4362
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parents:
diff changeset
386
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parents:
diff changeset
387 def test_dos_text(self):
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parents:
diff changeset
388 base_text = 'a\r\n'
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parents:
diff changeset
389 this_text = 'b\r\n'
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parents:
diff changeset
390 other_text = 'c\r\n'
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parents:
diff changeset
391 m3 = Merge3(base_text.splitlines(True), other_text.splitlines(True),
465b9ea02868 Import 3-way merge code from bzr
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parents:
diff changeset
392 this_text.splitlines(True))
465b9ea02868 Import 3-way merge code from bzr
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parents:
diff changeset
393 m_lines = m3.merge_lines('OTHER', 'THIS')
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parents:
diff changeset
394 self.assertEqual('<<<<<<< OTHER\r\nc\r\n=======\r\nb\r\n'
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parents:
diff changeset
395 '>>>>>>> THIS\r\n'.splitlines(True), list(m_lines))
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parents:
diff changeset
396
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diff changeset
397 def test_mac_text(self):
465b9ea02868 Import 3-way merge code from bzr
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parents:
diff changeset
398 base_text = 'a\r'
465b9ea02868 Import 3-way merge code from bzr
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parents:
diff changeset
399 this_text = 'b\r'
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parents:
diff changeset
400 other_text = 'c\r'
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
401 m3 = Merge3(base_text.splitlines(True), other_text.splitlines(True),
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
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402 this_text.splitlines(True))
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
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403 m_lines = m3.merge_lines('OTHER', 'THIS')
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
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404 self.assertEqual('<<<<<<< OTHER\rc\r=======\rb\r'
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
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405 '>>>>>>> THIS\r'.splitlines(True), list(m_lines))
4363
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4362
diff changeset
406
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4362
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407 if __name__ == '__main__':
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4362
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408 # hide the timer
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4362
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409 import time
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4362
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410 orig = time.time
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4362
diff changeset
411 try:
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4362
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412 time.time = lambda: 0
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
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413 unittest.main()
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4362
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414 finally:
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4362
diff changeset
415 time.time = orig
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4362
diff changeset
416